diff --git a/browser/locales/en-US/chrome/browser/aboutSupport.dtd b/browser/locales/en-US/chrome/browser/aboutSupport.dtd
new file mode 100644
index 000000000000..653b298e4e20
--- /dev/null
+++ b/browser/locales/en-US/chrome/browser/aboutSupport.dtd
@@ -0,0 +1,31 @@
+<!ENTITY aboutSupport.pageTitle "Troubleshooting Information">
+
+<!-- LOCALIZATION NOTE (aboutSupport.pageSubtitle): don't change the 'supportLink' id. -->
+<!ENTITY aboutSupport.pageSubtitle "
+  This page contains technical information that might be useful when you're 
+  trying to solve a problem. If you are looking for answers to common questions
+  about &brandShortName;, check out our <a id='supportLink'>support web site</a>.
+">
+
+<!ENTITY aboutSupport.extensionsTitle "Extensions">
+<!ENTITY aboutSupport.extensionName "Name">
+<!ENTITY aboutSupport.extensionEnabled "Enabled">
+<!ENTITY aboutSupport.extensionVersion "Version">
+<!ENTITY aboutSupport.extensionFirstRun "FirstRun">
+<!ENTITY aboutSupport.extensionId "ID">
+
+<!ENTITY aboutSupport.appBasicsTitle "Application Basics">
+<!ENTITY aboutSupport.appBasicsName "Name">
+<!ENTITY aboutSupport.appBasicsVersion "Version">
+<!ENTITY aboutSupport.appBasicsProfileDir "Profile Directory">
+<!ENTITY aboutSupport.appBasicsPlugins "Installed Plugins">
+<!ENTITY aboutSupport.appBasicsBuildConfig "Build Configuration">
+
+<!ENTITY aboutSupport.modifiedPrefsTitle "Modified Preferences">
+<!ENTITY aboutSupport.modifiedPrefsName "Name">
+<!ENTITY aboutSupport.modifiedPrefsValue "Value">
+
+<!ENTITY aboutSupport.installationHistoryTitle "Installation History">
+<!ENTITY aboutSupport.updateHistoryTitle "Update History">
+
+<!ENTITY aboutSupport.copyToClipboard.label "Copy all to clipboard">
diff --git a/browser/locales/en-US/chrome/browser/baseMenuOverlay.dtd b/browser/locales/en-US/chrome/browser/baseMenuOverlay.dtd
index 63e2fa1e9030..dce4b4c538c5 100644
--- a/browser/locales/en-US/chrome/browser/baseMenuOverlay.dtd
+++ b/browser/locales/en-US/chrome/browser/baseMenuOverlay.dtd
@@ -21,6 +21,10 @@
 
 <!ENTITY helpReleaseNotes.label         "Release Notes">
 <!ENTITY helpReleaseNotes.accesskey     "N">
+
+<!ENTITY helpTroubleshooting.label      "Troubleshooting Information…">
+<!ENTITY helpTroubleshooting.accesskey  "T">
+
 <!ENTITY updateCmd.label                "Check for Updates…">
 
 <!ENTITY preferencesCmdMac.label        "Preferences…">